What system does linux belong to?

Linux is a UNIX-like operating system. Linux, the full name of GNU/Linux, is a Unix-like operating system that is free to use and freely disseminated. It is a multi-user, multi-task, multi-threading and multi-CPU operating system based on POSIX and Unix.

The operating environment of this article: red hat enterprise linux 7.4 system, thinkpad t480 computer.

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Linux is a UNIX-like operating system.

Unix-like system (English: Unix-like) refers to a system that inherits the design style of UNIX (such as GNU/Linux, FreeBSD, OpenBSD, SUN's Solaris, Minix, QNX, etc.) Although some of these operating systems are free software and some are commercial software, they all inherit the characteristics of the original UNIX to a considerable extent, have many similarities, and comply with POSIX specifications to a certain extent, but they do not contain UNIX source code. . The source code of UNIX is owned by SCO Corporation and is a commercial software. The trademark rights of UNIX and UNIX standard identification belong to OPENGROUP. Since UNIX standard certification is expensive, the only system that has received UNIX standard certification is Apple's MACOS system.

Linux, the full name of GNU/Linux, is a UNIX-like operating system that is free to use and freely disseminated. Its kernel was developed by Linus Benedikt Torvalds on October 5, 1991. Released for the first time, it is mainly inspired by the ideas of Minix and Unix. It is a multi-user, multi-tasking, multi-threading and multi-CPU operating system based on POSIX and Unix.

It can run major Unix tool software, applications and network protocols. It supports 32-bit and 64-bit hardware. Linux inherits the network-centric design philosophy of Unix and is a multi-user network operating system with stable performance.

Linux has hundreds of different distributions, such as debian and archlinux based on community development, and Red Hat Enterprise Linux, SUSE, oracle linux based on commercial development, etc.

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